Pipe-wrench



(No Model.)

0. T. PHILLIPS.

PIPE WRENGH.

No. 365,019. Patent-ed June 14, 1887.

WITNESSES: INVENTOR ATTORNEYS N FEYERS. FhalwLMwgF-lphcf. Wnhingtan, [LC- UNITED STATES PATENT OFFICE.

CHARLES T. PHILLIPS, OF JORDAN, NE\V YORK.

PIPE-WRENCH.

SPECIFICATION forming part of Letters Patent No. 365,019, dated June 14, 1887.

Application filed March 16, 1887. Serial No. 231.077.

T0 all whom, it may concern:

'Be it known that 1, CHARLES T. IniLLIrs, of Jordan, in the county of Onondaga, in the State of New York, have invented new and useful Improvements in IipeWVrenches, of

which the following, taken in connection with the accompanying drawings, is a full, clear, and exact description.

This invention relates to the class of pipewrenehes in which a supplemental jaw is mounted on ajaw sliding on the shank to which the stationary jaw is attached; and the invention consists in an improved construction and combination of parts, as hereinafter fully described, and specifically set forth in the claims. 1

In the accompanyingdrawings, Figure 1 is a side View of a pipe-wrench embodying my invention. Fig. 2 is a side view of the two main jaws of the wrench; and Fig. 3 is a vertical section on line a: a", Fig. 2,with the supplemental jaw connected to its supportingjaw.

Similar letters of reference indicate corresponding parts.

A represents the shank of the wrench.

B denotes the stationaryjaw which is rigidly secured to the end of the shank A.

0 represents the jaw which slides on the shank A, and is adjustably sustained in its position by means of a nut, Ngvorking on the screw-threaded portion A of the shank and provided with the flange a, with which interlocks a hook, h, projecting from the sliding jaw C.

The jaw G is formed with a seat, a, facing the stationary, jaw and curved eccentrically and inclined from the fixed end of the jaw toward the free end thereof. At opposite ends of the seat a the jaw G is provided at opposite sides with abutments Z) and stops 0, the abutments 1) being at the end of the seat adjacent to the shank A, for the purpose hereinafter explained. One side of the jaw G is also provided with a groove, (1, which is parallel with the seat (1. Upon the aforesaid seat slides a supplemental jaw, O, which is provided with pendent lips Z Z, by which it embraces the sides of thejaw O, as shown in Fig. 3 of the drawings. From the inner side of one of the lips Z projects a stud-pin, c,which enters the groove (No model.)

d and serves to retain the supplemental jaw on its supporting-jaw C.

In order to render the supplemental jaw C removable from its supporting-jaw when required for repairs or renewal, I provide the jaw O with a channel, f, extending transversely through it, and preferably at a point near the center of the length of the groove d. The lips Z Z of the supplemental jaw I provide with eyes i t, which are in range with each other, and in one of said eyes I insert the studpin 0. XVhen it is desired to remove the supplemental jaw from its supporting-jaw,the supplemental jaw can be moved into a position to bring the eyes i 2' in coincidence with the eye or channel f of the jaw G. Then, by means of a suitable punch introduced into the eye 1' of one of thelips and into the eye f of the jaw O, the stud-pin 0 can be driven out of the lip Z on the opposite side of the jaw.

In operating my improved wrench I slide the supplemental jaw 0 toward the stop 0. Then, by turning the nut N, I move the sliding jaw 0 toward the stationary jaw B until the supplemental jaw O and stationary jaw B are brought to bear against opposite sides of the pipe to be grasped by the wrench. Then, by turning the wrench in the direction indicated by an arrow in Fig. 1 of the drawings, the sup plemental jaw is caused to slide on the seat a toward the shank A, and by the inclination of the said seat the supplemental jaw is crowded toward the pipe, and thus its hold thereon is re-enforced.

The abutment b serves to limit the movement of the supplemental jaw 0 toward the elevated end of the seat a, and thus also limits the pressure of said jaw against the pipe, so that the danger of crushing the pipe is obviated.

The stop 0 serves to limit the movement of the jaw Cin the opposite direction just enough to allow said jaw to release itself from the pipe and remain in proper proximity to it to again grip the pipe when the wrench is turned in the direction of the arrow shown in Fig. 1 of the drawings.

It will be observed that in my improved wrench the jaw C moves toward the fixed end of its supporting-jaw when the wrench is turned to grasp the pipe, and consequently the strain is transmit-ted to that portion of the.

supportingjaw O which is best adapted to resist the strain.

A reverse movement of the wrench causes the supplemental jaw to slide toward the stop 0, and by the inclination of the seat' a said jaw is caused to recede from the pipe and loses its hold thereon.

I do not claim, broadly, the combination,in a monkey-wrench, of the adjustable jaw provided with an inclined way and a supplemental jaw sliding on said way and approach ing the stationary jaw in the movement of thesupplemental jaw, as I am aware the same is not new; but

What I do claim is 1. In combination with the shank A and stationary jaw B, the adjustable jaw G,formed with the curved inclined seat a, abutment b, and stop a at opposite ends of said jaw, the grooved in the side of the jaw, the supplemental jaw O, sliding on said seat, and provided with pendent lips I Z at opposite sides of the jaw O, and the stud-pin e, secured to one of the lips'and projecting, into the groove d, substantially as described and shown.

2. The combination of the jaw G, provided with the groove (1 and eye f, the supplemental jaw G, having pendent lips Z Z, embracing the sides of the jaw O, and provided with perforations 11 11, and the stud-pin e, inserted in one of the latter perforations, substantially as described and shown.

.In testimony whereoflhave hereunto signed my name and affixed my sea], in the presence of two attesting witnesses, at Syracuse, in the county of Onondaga, in the State of New York, this 5th day of March, 1887.

.CHARLES T. PHILLIPS. [L. s.] Witnesses:

(J.-H. DUELL, O. BENDIXON. 

